Improvement in blowing-engines



ALEXANDER CARNEGIE KIRK, OF GLASGOW, GREAT BRITAIN. A Letters Patent No. 84,428, dated November 24, 1868.

IMPROVEMENT IN BLOWING-ENG-INES.

The Schedule referred to in the-se Letters Patent and making part of the name.

4 `To all whom it ma/y conce/rn: being sufficiently long for these openings to be always Beit knowh that 'I7 ALEXANDER CARNEGIE KIRK, beyond the cylinder stufling-boxes. Openings, l1, are of Glasgow, in the county of Lanark, Kingdom of Great also. formed rh the trunk 4, at itt hhddle, t0 admit the Britain and Ireland, have invented a new, useful, and all 111'00 the SPa-ee between the Ersten-(heks 5- improved Blowing-Engine; and I do hereby declare At the ends the trhhk has fixed Doh 1t Gross'heads, the following to be a full, clear, and exact description 12Wh1eh rest ahd Shde upon ghldehars; 13, hXed P011 ofthe same. the masonry or foundation, and by these means the My invention consists in adapting to a horizontal Weight 0f the trhhk ahh Ristoh is ehhcthahy hhrhe ul), cylinder a hollow piston, tted with valves, and xed S0 as t0 Prever-1t the 1h.) url ous rhhhlhg 0f the PrStOh 011 on and supported by a truuk or hollow piston-rod, the the hotter 51de 0f the eyhhdel. Whole being constructed and operating as fully described The PlStOh-(hsks 5 are represented as fitted Wlth 0T* hereafter, so as to draw air or gas through the trunk dmary @upped leather'paeklhgs and the Valves as made and piston, and expel it through the cylinder-valves, 0f leather 1h the Orfhhary Way; but these, as Well aS or rvice versa. other minor details, may, of course, be varied accordln order to enable others skilled in the art to make ing t0 the Viet/S OfthOSe maklhg the ehglheand use my invention, I will DOW proceed t0 describe The trunk 4 1s represented as having attached to its construction andoperation, reference being had to 011e end O f it a portie 0f the Piston-red 14; 0f a herithe accompanying drawing, which forms a part of this Z0htal'eyhhder Steahlehglhe, by Whreh ltlS Supposed specification, and in whicht0 be actuated Figure 1 is a vertical section of my improved bmw. If 1t1s wished to deliver the air from the trunk {1,1m-

ing-engiue, and stead of drawing it in thereby, one or both ends thereof Figure 2, an end view, partly in section must be arranged to work through stuffing-boxes into The engine consists of a cylinder, 1, with ends or Closed receivers 0r delivery-Passagescovers, 2, formed with valve-openings, and fitted with valves, 3. ters Patent- The cylinder-ends 2 are also formed with ordinary The @yhpder 1 Wlth 111s Opemegs and valves, 1n 00mstnng-boxes, for the passage 0f a, hollow trunk, 4, bination wlth casmgs 7 7, and wlth ahollow p1ston-r od upon which is xed a hollow piston, A, consisting of 0r trhhk extehfhhg threrlgh both headh 0f the-Cyrultwo disks, 5, disposed a short distance apart. der, o pen at each end, and communicating with a hol- '.Ihe piston-disks 5 are formed with valve-openings, 10W P lstoh, A, haylhg Ohehlhgs and Valves arrange@ as and are fitted with valves, 61 and these Valves as Wen described, the whole being constructed and operating as those, 3, in the cylinderends, are represented as aras Set forth ranged for drawing in the air through the trunk 4 and .Ih testlmohy whereof; I have Slghed rhy harhe t0 piston 5, and expelling it through the cylinder-ends into thls SPeClhCatlOh, 1h the Presence 0f two shhserlhrhg casings, 7, formed upon the cylinder-ends, and commu- WltleSSeS- nicating, by branch-passages 8, with the main, 9, by ALEXANDER C KIRK- which itis led away for use. Y Witnesses:

To admit the air into the trunk 4, openings, 10, are EDMUND HUNT, formed at or near the opposite ends of it, -the trunk W. W. CRAWFORD.

I claim as my invention, and desire to secure by Let- 

